Update google-closure-compiler to version 20160315.2.0 🚀

[greenkeeperio-bot]

Hello 👋

🚀🚀🚀

google-closure-compiler just published its new version 20160315.2.0, which is not covered by your current version range.

If this pull request passes your tests you can publish your software with the latest version of google-closure-compiler – otherwise use this branch to work on adaptions and fixes.

Happy fixing and merging 🌴

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The new version differs by 6 commits .

• c7c177e Increment version number to 20160315.2.0
• 5abf272 Increase test timeout again in test/compiler.js
• 1f1aab4 Increase test timeout in test/compiler.js
• c3edd3a Merge pull request #20 from trofim24/patch-2
• 24366d8 Fix extraCommandArgs not being copied
• ee63e21 Limit travis builds to the master branch

See the full diff.

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This change is

[codecov-io]

Current coverage is 86.89%

Merging #602 into master will not affect coverage as of 8e2a3e6

@@            master    #602   diff @@
======================================
  Files          102     102       
  Stmts          870     870       
  Branches         0       0       
  Methods          0       0       
======================================
  Hit            756     756       
  Partial          0       0       
  Missed         114     114       

Review entire Coverage Diff as of 8e2a3e6

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